Wangda Tan created YARN-2943:

             Summary: Add a node-labels page in RM web UI
                 Key: YARN-2943
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: resourcemanager
            Reporter: Wangda Tan
            Assignee: Wangda Tan

Now we have node labels in the system, but there's no a very convenient to get 
information like "how many active NM(s) assigned to a given label?", "how much 
total resource for a give label?", "For a given label, which queues can access 
it?", etc.

It will be better to add a node-labels page in RM web UI, users/admins can have 
a centralized view to see such information.

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